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Finding the Fourth Proportional to 471,526.25, 650,706.28 and 256,667.77

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Solution

The fourth proportional to 471,526.25, 650,706.28 and 256,667.77 is: 354,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,526.25 : 650,706.28 = 256,667.77 : x
  2. Step 2: Convert to fraction form
    471,526.25/650,706.28 = 256,667.77/x
  3. Step 3: Cross multiply
    471,526.25x = 650,706.28 × 256,667.77
  4. Step 4: Simplify right side
    471,526.25x = 167,015,329,984.31
  5. Step 5: Solve for x
    x = 167,015,329,984.31/471,526.25
  6. Step 6: Final answer
    x = 354,201.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.